Alright, let's work through 3345756 times 88711302 step by step
3345756 × 88711302 = 88711302 × (3345756)
+ 88711302 × 6 what gives us 532267812
+ 88711302 × 50 that is equal 4435565100
+ 88711302 × 700 resulting in 62097911400
+ 88711302 × 5000 what gives us 443556510000
+ 88711302 × 40000 that results in 3548452080000
+ 88711302 × 300000 giving us 26613390600000
+ 88711302 × 3000000 giving us 266133906000000

= 296806370934312
